﻿using System;
using System.Drawing.Imaging;
using Xpedite.Localization;
using Xpedite.Resources.Definitions;

/* Copyright (c) 2010 CBaxter
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 
 * IN THE SOFTWARE. 
 */

namespace Xpedite.Resources.Combiners
{
  internal interface ICombiner
  {
    IResourceContainer Combine(IResourceUrl virtualUrl, IResourceDefinition definition);
  }

  internal interface ICombinerFactory
  {
    ICombiner CreateCssCombiner();
    ICombiner CreateJavaScriptCombiner();
    ICombiner CreateSpriteCombiner(ResourceType resourceType);
    ICombiner CreateSpriteCssCombiner();
  }

  internal class CombinerFactory : ICombinerFactory
  {
    public ICombiner CreateCssCombiner()
    {
      return new TextCombiner();
    }

    public ICombiner CreateJavaScriptCombiner()
    {
      return new TextCombiner();
    }

    public ICombiner CreateSpriteCombiner(ResourceType resourceType)
    {
      switch (resourceType)
      {
        case ResourceType.Gif: return new SpriteCombiner(ImageFormat.Gif, PixelFormat.Format8bppIndexed);
        case ResourceType.Jpeg: return new SpriteCombiner(ImageFormat.Jpeg, PixelFormat.Format24bppRgb);
        case ResourceType.Png: return new SpriteCombiner(ImageFormat.Png, PixelFormat.Format32bppArgb);
        default: throw new XpediteException(String.Format(ExceptionMessages.InvalidResourceTypeSpecified, resourceType));
      }
    }

    public ICombiner CreateSpriteCssCombiner()
    {
      return new SpriteCssCombiner();
    }
  }
}
